1. Ehime Prefectural Central Hospital, Gastroenterology Center Matsuyama Ehime Japan
2. Department of Internal Medicine Japanese Red Cross Himeji Hospital Himeji Hyogo Japan
3. Department of Gastroenterology and Metabology Ehime University Graduate School of Medicine Toon Ehime Japan
4. Department of Hepatology Okayama City Hospital Okayama Japan
5. Department of Gastroenterology Gunma Saiseikai Maebashi Hospital Maebashi Gunma Japan
6. Department of Gastroenterology and Hepatology Kagawa University Takamatsu Kagawa Japan
7. Department of Hepatology Kagawa Prefectural Central Hospital Takamatsu Kagawa Japan
8. Division of Gastroenterology and Hepatology, Department of Internal Medicine Nippon Medical School Tokyo Japan
9. Department of Gastroenterology Asahi General Hospital Chiba Japan
10. Department of Gastroenterology and Hepatology Hyogo Medical University Kochi Hyogo Japan
11. Teine Keijinkai Hospital, Center of Gastroenterology Sapporo Hokkaido Japan
12. Department of Gastroenterology Saiseikai Niigata Hospital Niigata Japan
13. Department of Gastroenterology Toyama University Hospital Toyama Japan
14. Department of Gastroenterology and Hepatology Ogaki Municipal Hospital Gifu Japan
15. Department of Gastroenterology Japanese Red Cross Takamatsu Hospital Takamatsu Kagawa Japan
16. Department of Clinical Research National Hospital Organization Takasaki General Medical Center Takasaki Gunma Japan
17. Division of Gastroenterology and Hepatology Otakanomori Hospital Chiba Japan
18. Department of Gastroenterology National Hospital Organization Takasaki General Medical Center Gunma Japan
19. Hepatology Division, Department of Internal Medicine II Hamamatsu University School of Medicine Shizuoka Japan
20. Department of Surgery Kansai Medical University Osaka Japan
21. Division of Hepatology, Department of Internal Medicine, School of Medicine Iwate Medical University Iwate Japan
22. Department of Gastroenterology Hyogo Prefectural Harima‐Himeji General Medical Center Himeji Japan
23. Department of Gastroenterology Hanwa Memorial Hospital Osaka Japan
24. Japanese Red Cross Matsuyama Hospital, Hepato‐biliary Center Matsuyama Ehime Japan
25. Department of Gastroenterology Osaka Medical and Pharmaceutical University Osaka Japan
26. Department of Nursing Gifu Kyoritsu University Gifu Japan